Publish Year Decade: 1920 - 1929 - Blacklight Search Results

Start Over Publish Year Decade 1920 - 1929

104931. Health almanac for 1920; compiled by R. C. Williams.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: [1920.]

104932. Health almanac for 1920; compiled by R. C. Williams.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1920

104933. Health boards and departments. Standardization of municipal health organization; by Allan J. McLaughlin.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1920

104934. Health boards. State and insular health authorities, 1920, directory, with data as to appropriations and publications.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1920

104935. Health officers. City health officers, 1920, directory of those in cities of 10,000 or more population.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1920

104936. Health training for teachers [rôle of normal and training schools in advancement of health education; by Robert G. Leavitt].

Corporate/Agency Authors:: Education Bureau and Interior Department
Publisher:: Education Bureau
Date:: 1920

104937. Heat energy of various ignition sparks.

Corporate/Agency Authors:: National Advisory Committee for Aeronautics
Publisher:: National Advisory Committee for Aeronautics
Date:: [Reprint] 1920

104938. Helium. Discovery of helium and what came of it; by C. G. Abbot.

Corporate/Agency Authors:: Smithsonian Institution
Publisher:: Smithsonian Institution
Date:: 1920

104939. Helium. Exportation of helium gas, hearing on H. R. 12376, May 21, 1920.

Corporate/Agency Authors:: Interstate and Foreign Commerce Committee, House of Representatives, and Congress
Publisher:: Interstate and Foreign Commerce Committee
Date:: 1920

104940. Helminths. Diagnosis of more common helminthic infestations of man [with list of references]; by J. P. Hickey.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1920

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